/Engine/Source/Runtime/Engine/Classes/Engine/World.h
Templated version of SpawnActor that allows you to specify location and rotation in addition to class type via the template type
template<class T> T * SpawnActor ( FVector const & Location, FRotator const & Rotation, const [FActorSpawnParameters](API\Runtime\Engine\Engine\FActorSpawnParameters) & SpawnParameters )